Gas-governor.



A. L. SMYLY.

GAS GOVERNOR.

' APPLICATION FILED SEPTJB, 1913.

L1 Wfim. v Patented June 20,1916.

1] l FFTDE ARTHUR L. SMYLY, CHICAGO, ILLINOIS.

GAS-GOVERNOR.

Application filed September 18, 1913.

To all whom it may concern:

Be it known that I, ARTHUR L. SMYLY,

a citizen of the United States of America,

and resident of Chicago, Cook county, Illinois, have invented a certain new and useful Improvement in Gas-Governors, of which the following is a specification.

My invention relates to a gas regulator of that kind in which a diaphragm is employed for automatically controlling the valve which governs the fiow of gas.

An object of my invention is to provide a novel construction and arrangement whereby the valve mechanism. is removable as a unit, by unscrewing a plug, and without disturbing the diaphragm.

It is also an object to provide a novel arrangement involving the provision of a trap in the top of the casing of the governor, connected with the blow-oil pipe, and forming, with the inlet and outlet connections, a T-coupling at one end of the governor, said blow-off pipe being connected by a passage in the top of the casing with the space above the diaphragm.

Another object is to provide a novel form of safety valve, forming a part of the general structure of the governor, and preferably incorporated in a removable plugv to which also carries the regulating valve.

To these and other useful ends, my invention consists in matters hereinafter set forth and claimed.

In the accompanying drawings-Figure 1 is a longitudinal vertical section of a gas regulator or governor embodying the principles of my invention. Fig. 2 is a horizontal section on line 2-2 in Fig. 1. Fig. 3 is a horizontal section on line 33 in Fig. 1. As thus illustrated, my invention comprises a casing A having a cover B, the diaphragm C being clamped between them. The spring 0 bears on the top of the diaphragm, and is regulated by the screw 0 whereby the gas is controlled in a manner hereafter described. The bottom of the diaphragm has a bracket c of any suitable form.

The cover B, has a trap Z) at one end thereof, connecting through an opening a in the diaphragm with the gas chamber a, and connected with the upwardly extending blow-off pipe 5 A breathing passage 6 01f pipe with the space above the diaphragm, to permit free rise and fall of the latter.

Specification of Letters Patent.

.plied to the upper in the top of the cover, connects the blow- Patented June 2Q, 1916. Serial No. 790,494.

A plug D is screwed into the bottom of the casing, and is connected with the inlet pipe (Z, which latter is in alinement with the pipe Z2 The plug has an inlet passage 65 with a horizontal upper portion terminatmg in the valve seat CF. The valve (Z3 is fixed on the lower end of the depending arm (5*, which latter is pivoted at cl on the upper end of the plug. A lever E is pivoted at e on the bottom of the casing, and has its other end pivoted at e to the lower end of the bracket 0 A cam e is fixed on said. lever, forming a short arm therefor, and engages the arm (Z of the valve. When the diaphragm moves upward the valve 65 engages the seat (Z and closes the inlet. The plug D and valve (Z are removable downwardly together.

A safety valve F is inclosed within the plug D, being in the form of an inverted cup with three holes f in the sides thereof, and having a cone-shaped upper portion 7 for closing the lower end of the passage al in case the flow increases to a dangerous degree. Said cup is supported at its lower edge by a plug screwed into the base of the plug D, and having openings f for the passage of the gas. Posts 7 are disposed upright on said plug f forming guides for the cup F, whereby the latter moves up and down in a straight line. A central post f moves up and down in the plug f and is held normally down by a solder cross pin f in the lower end thereof. A spring f is apportion of the post 7 and serves to lift the latter, when the pin 7 melts, in case of fire. Thus the spring 7 causes the post 7 to raise the valve F to close the inlet. This, of course, only happens when the governor is subjected to heat sufficient to melt the solder pin.

A-s creen G is interposed between the bottom of the plug f and a shoulder g on the coupling 9 This filters the gas before it reaches the safety valve.

Thus it will be seen that the outlet pipe H at the end of the casing forms, with the pipes b and (Z, a T-connection atone end of the governor. In this way the connections are grouped in convenient form. By removing the diaphragm, the valve 03 is rendered accessible without disturbing the inlet and outlet connection. The trap 5 is also removable without disturbing the inlet and outlet pipes.

In the foregoing construction, it will be 6 tive movement between the said valve memher and said lever about a stationary axls. Furthermore, the said valve member is not mounted on the said lever, but is supported independently thereof, although associated 1o therewithin any suitable and desired man ner. Y

What I claim as my invention is 1. A gas governor comprising a caslng containing adiaphragm, a lever pivoted on the casing at one end, pivoted to the dia phragm at the other end, a plug inserted in the casing provided with'an inlet passage, a valve seatat the inner end of said passage, a valve pivoted on said plug, engaging said 2 seat, and a cam on said lever, loosely engaging said valve, thereby permitting removal of said valve and plug without disturbing said lever 1 and diaphragm.

2. A gas governor comprising a casing containing a diaphragm, a lever pivoted on y the casing at one end, pivoted to the diaphragm at the other end, a plug inserted in the casing, provided with an inlet passage, a valve seat at the inner end of said passage,

a valve pivoted on said plug, engaging said seat, and a cam on said lever, loosely engaging said valve, thereby permitting removal of-said valve and plug without disturbing said lever and diaphragm, said valve seat facingin the direction of the length of said lever, and said plug being removable downwardly at right angles to said direction.

'3. A gas governor comprising a casing containing a diaphragm, a lever pivoted on 40 the casing at one end, pivoted to the diaphragmat the other end, a plug inserted in the casing, provided with an inlet passage, a valve seat atithe inner end of said passage, a valve pivotedon said plug, engaging said seat, 'and a cam on said lever, loosely engaging said valve, thereby permitting removal of said valve andplug without disturbing 7 said lever and diaphragm, and means for rtensioning the diaphragm, constituting the only medium of regulation for said valve.

' 4. gas governor comprising a casing containing a diaphragm, a lever pivoted on the casing at one end, pivoted to the dia phragm at the othereend, a plug inserted in 5 the casing, provided with an inlet passage, a

'valve seat at the inner end of said passage,

a valve pivoted on said plug, engaging said 1 seat, and a cam on said lever,loosely engaging said valve, thereby permitting removal :59 of said valve and plug without disturbing said leverand'diaphragm, said valve de- 7 pending in front ofthe seat, provided on its bacln'below the pivot thereof, with means forengaging said cam. 7

. gas governor provided with a casing containing a diaphragm, a lever ope ated by said diaphragm, a plug inserted in said casing, provided with an inlet passage, a valve pivoted on the inner end of said plug, means actuated by said lever for operating said valve to control said passage, and a safety valve in the outer end of said plug, controlling said passage.

6. A gas governor provided with a casing containing a diaphragm, a lever operated by said diaphragm, a plug inserted in said casing, provided with an inlet passage, the inner end of said plug extending into the chamber of said casing, a valve pivoted on the inner end of said plug, means actuated by said lever for operating said valve to control said passage, and a safety valve in the outer end of said plug, controlling said passage, said plug with the two valves being removable as a unit, and without disturbing said lever and diaphragm.

7 A gas governor provided with a casing containing a diaphragm, a lever operated by said diaphragm, a plug inserted in said easing, provided with an inlet passage, the inner end of said plug extending into the chamber of said casing, a valve pivoted on the inner end of said plug, means actuated bysaid lever for operating said valve to control said passage, and a safety valve in the outer end of said plug, controlling said passage, said plug extending vertically, and said lever and diaphragm extending horizontally.

8. A gas governor comprising a safety valve, in combination with a diaphragm controlled regulating valve, said safety valve comprising an inverted cup having openings in the sides thereof, means on top of said cup for cutting off the admission of gas to the governor, and means for supporting said cup in position for upward movement with the gas, the cup having an imperforate top wall.

9. A gas governor comprising a safety valve, in combination with a diaphragm controlled regulating valve, said safety valve comprising an inverted cup having openings in the sides thereof, means on top of said cup for cutting off the admission of gas to the governor, and means for supporting said cup in'position for upward movement with the gas, said cup being normally supported at the lower edge, and vertical pinsfor guiding the cup, disposed in position to engage the inside thereof.

10. A gas governor comprising a safety valve, in combination with a diaphragm controlled regulating valve, said safety valve comprising an inverted cup having openings in the sides thereof, means on top of said cup for cutting off the'admission of gas to the governor, a member supporting said cup in normal position, and means on said member for guiding the cup up and down.

11. A gas governor comprising a diaphragm, a stationary inlet valve seat, a pivoted valve member for engaging said seat, adapted to open with the gas pressure, a pivoted lever for operating said valve memher, said member having a stationary axis of movement relative to said lever, and means to connect said lever with said diaphragm, thereby to close said member against the gas pressure.

12. A gas governor comprising a diaphragm, a stationary inlet valve seat, a pivoted valve member for engaging said seat, adapted to open with the gas pressure, a pivoted lever for operating said valve member, and means to connect said lever with said diaphragm, thereby to close said member against the gas pressure, the axes of said member and lever being stationary, and a spring bearing on said diaphragm to open said valve.

13. A gas governor comprising a diaphragm, a stationary inlet valve seat, a pivoted valve member for engaging said seat, adapted to open with the gas pressure, a pivoted lever for operating said valve member, and means to connect said lever with said diaphragm, thereby to close said member against the gas pressure, said member and lever having non-coincident stationary axes, and said lever being provided with a cam for engaging said member.

@opies of this patent may 14L. A gas governor comprising a diaphragm, a stationary inlet valve seat, a pivoted valve member for engaging said seat, adapted to open with the gas pressure, a pivoted lever for operating said valve member, and means to connect said lever with said diaphragm, thereby to close said member against the gas pressure, said lever extending substantially horizontally below said diaphragm, and said member having only a stationary axis of pivotal movement and being associated with the pivoted portion of said lever.

15. A gas governor comprising a diaphragm, a stationary inlet valve seat, a pivoted valve member for engaging said seat, adapted to open with the gas pressure, a pivoted lever member, and means to connect said lever with said diaphragm, thereby to close said member against the gas pressure, and a casing to inelose said valve and diaphragm, said member having a stationary axis of movement relative to said lever and being removable from the casing without disturbing said diaphragm.

Signed by me at Chicago, Illinois, this 6th day of September, 1913.

ARTHUR L. SMYLY.

Witnesses:

RACHEL J. RICHARDSON, Rosn E. SEHNEM.

be obtained for five cents each, by addressing the Commissioner of Patents,

Washington, 1). l3.

for operating said valve r 

